The thesis also analyzes the average current type of PFC.
论文还研究了平均电流型PF C电路。
This arithmetic replaces the current loop of average current control as duty cycle prediction.
这种算法以占空比预测的方式代替了平均电流算法中电流环。
Electrolytic rate is more than 99%, average current efficiency is 20.17% using the improved equipment.
采用改进后的设备，电积率在99%以上，平均电流效率为20.17%。
The principle and implementation of the average current mode control was deeply analyzed in this thesis.
本文中对于平均电流模式控制的工作原理和具体实现进行了深入分析。
The design for the system stability in the average current-controlled switched converter is also discussed.
针对平均电流型控制电路，给出了系统稳定性的设计方法。
Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal.
其先进的电流检测电路采用采样和保持方法，以提供精确的平均电流信号。
The power supply system has good steady and dynamic characteristics because of adopting average current control mode.
采用平均电流型控制方式，电源具有良好的稳态和动态特性。
Based on average current control, the control scheme and realization circuit of the parallel system was studied and designed.
研究设计了基于平均电流法的并联控制方案及实现电路。
We find that external noise can destroy the periodicity of the transient current and cancel the long-time average current peaks.
我们发现噪声可以破坏瞬时电流的周期性并削减长时平均电流的峰值。
Meanwhile, an average current mode controlled power source is used to provide constant charging current to these selected cells.
同时，一个平均电流模式控制的电流源被用来对选中的单体提供恒定的充电电流。
Average current stress is minimized in a range of output voltage, and the converter can achieve ZVS in the range of output voltage.
通过这种设计方法，可使变换器在一定输出电压范围内平均电流应力最小，并且使变换器在一定输出电压范围内基本实现软开关。
The paper presented here describes the configuration characteristic of peak current-controlled and average current-controlled models.
论述峰值电流控制和平均电流型控制的工作原理及电路的主要特点。
The average flux-flow resistivity depending on the average current density and temperature is also calculated with above distributions.
应用二维场量分布进一步得到了平均磁流阻率随电流密度和温度的变化特性。
Between 1880 and 1914, Britain ran an average current-account surplus of 5% of GDP. In contrast, America today has a deficit of 7% of GDP.
1880至1914年期间，英国的平均经常项目盈余占其GDP比重的5%，相对比，如今美国的经常项目赤字占其GDP比重的7%。
To obtain high average current electron beams for high average power Free Electron Laser (FEL), a DC-SC photocathode injector is designed.
为获得用于高平均功率自由电子激光（FEL）的高平均流强电子束，设计了一种新型的DC- SC光阴极注入器，并对其进行了优化设计和束流动力学研究。
It is shown that the differential conductance, average current and shot noise power are suppressed by the impurities and rough interface scattering.
研究表明，无序层中的杂质散射和粗糙界面散射都能抑制系统的微分电导、平均电流和散粒噪声功率。
An APFC circuit based on average current mode control is designed and tested. It is indicated that the average current mode control has many advantages.
用平均电流型控制原理设计一个APFC电路，并进行了实际测试，证明该平均电流型控制的优越性。
The converter use ZVS-PWM technique and the average current mode control method, and the use of maximum current flow to achieve automatic multi-parallel current.
该变流器应用ZVS - PWM技术和平均电流模式控制方法，并采用最大电流自动均流法实现多机并联均流。
The results show that compared with DC, SWPC can achieve the same protective property with less average current consumption, and has much higher protective efficiency.
结果表明，实验条件下脉冲电流阴极保护与直流阴极保护相比，二者的保护度相当，而脉冲电流阴极保护有更小的平均电流消耗和更高的保护效率。
The results showed that the temperature, average current density, frequency, reverse pulse coefficient and duty cycle had great impact on the microstructure of coatings.
结果表明，温度、平均电流密度、频率、逆向脉冲系数及占空比对镀层性能和微观形貌有较大影响。
On account of the average current control chosen in the APFC system, a large signal dynamic BUCBB model is built and all the switching elements replaced by dependent sources.
由于变换器工作在平均电流控制的APFC系统中，本文建立了BUCBB变换器的大信号动态模型，并将BUCBB变换器中的开关元件用受控源代替。
The circuit, with over-current protection of output transformer original side average current and side peak current, adopts pulse transformer coupling MOSFET driving circuit.
该电路采用脉冲变压器耦合MOSFET管驱动电路，具有输出变压器原边平均电流和副边峰值电流的过流保护功能。
Main machine and motor connected through the fluid coupling, it can shorten the motor start-up time, reduce the average current during start and prevent overload of the power.
主机和电动机通过液力偶合器连接，能够缩短电机起动时间，减少起动过程中的平均电流，防止动力过载。
Analyzes of the debt structure of the publicly traded companies of China in the 1991-2003 period see an increasing trend in the average current debt ratio and total debt ratio after 1997.
文章对我国上市公司1991 ~ 2003年的负债结构进行了全面分析。1997年以后上市公司的平均流动负债率和总负债率都呈上升趋势。
Moreover, average current assets had risen to 319 days-worth of annual sales, suggesting that most of the SOEs' working capital was tied up in uncollectable bills or unsaleable inventory.
除此以外， 一些国企平均流动资产周转周期上升到319天一个循环，这表明大部分营运资本都被欠账和存货所占据。
The current average gas price in the US is $1.71 per gallon.
美国目前的汽油均价为每加仑1.71美元。
The current average gas price in the U. S. is $1.71 per gallon.
美国目前的汽油均价为每加仑1.71美元。
It is questionable whether average users of current HTML versions are capable of creating XHTML documents of proper quality.
但是当前HTML版本的一般用户能否创建高质量的XHTML文档并不好说。
It is questionable whether average users of current HTML versions are capable of creating XHTML documents of proper quality.
但是当前HTML版本的一般用户能否创建高质量的XHTML文档并不好说。
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